Home / 1,369,118.51-1,888,805.00-916,555.31

Finding the Fourth Proportional to 1,369,118.51, 1,888,805.00 and 916,555.31

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Solution

The fourth proportional to 1,369,118.51, 1,888,805.00 and 916,555.31 is: 1,264,459.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,118.51 : 1,888,805.00 = 916,555.31 : x
  2. Step 2: Convert to fraction form
    1,369,118.51/1,888,805.00 = 916,555.31/x
  3. Step 3: Cross multiply
    1,369,118.51x = 1,888,805.00 × 916,555.31
  4. Step 4: Simplify right side
    1,369,118.51x = 1,731,194,245,151.91
  5. Step 5: Solve for x
    x = 1,731,194,245,151.91/1,369,118.51
  6. Step 6: Final answer
    x = 1,264,459.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.